M103 (NGC 581)

Typ:	Open cluster
Constellation:	Cassiopeia
Size:	6'
Distance:	10 kLj
Brightness:	7.4 mag
Position:	RA:01h 33.2m DEC:+60° 42′
Max. height:	79.30°, Oct. (midnight at +50°N)
	Show in Stellarium
Discovered:	Pierre Méchain, 1781
Details:	Read more on Wikipedia

Near M103, top right in this image, there are some other starclusters as well, like NGC654, NGC663 and NGC659 in the bottom: